An adrenergic agent being used to treat shock infiltrates into the tissue with IV administration. Which action by the nurse would be most appropriate? 

a. Watch the area for any signs of necrosis, and report it to the physician. 

b. Notify the physician, and decrease the rate of infusion. 

c. Remove the IV, and prepare phentolamine for administration to the area. 

d. Apply ice, and elevate the arm.